Abstract

An approximate description for the motion of particles in a liquid flow is pesented that forms the basis for an efficient numerical simulation procedure. The method is based on a spatial distribution of finite force multipoles and requires much less resolution than full DNS. The numerical implementation is summarised and example results given for Stokes flow and low Reynolds number flow in a channel and in a channel with a contraction. Comparisons are made with DNS results and experimental data.

Volume Subject Area:
Microfluidics
Topics:
Algorithms, Flow (Dynamics), Microelectromechanical systems, Particulate matter, Computer simulation, Creeping flow, Resolution (Optics), Reynolds number
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Copyright © 2001 by The American Society of Mechanical Engineers
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